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100+ Free AFOSI Special Agent Practice Questions

AFOSI Special Agent Selection Cognitive Exam (Air Force Office of Special Investigations) practice questions are available now; exam metadata is being verified.

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Choose the sentence that uses 'fewer' and 'less' correctly.

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B
C
D
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2026 Statistics

Key Facts: AFOSI Special Agent Exam

3 items

Assessment Components (interview, writing, cognitive exam)

AFOSI Enlisted Agent Selection System brochure

5 steps

Selection System Steps

AFOSI Enlisted Agent Selection System brochure

11 weeks

CITP Training Length at FLETC

Air Force Special Investigations Academy

$0

Candidate Exam Fee

AFOSI (internal DAF selection)

11 yrs

Max Time-in-Service (Enlisted Applicants)

AFOSI Enlisted Agent Selection System brochure

Top Secret

Required Security Clearance

Air Force Office of Special Investigations

The AFOSI Special Agent Selection Cognitive Exam is administered during the Assessment step of the OSI selection system, alongside a writing assessment and an in-person interview at a local OSI office. The cognitive exam covers logical and verbal reasoning, quantitative reasoning, and reading comprehension; the writing assessment covers grammar and organization. There is no candidate fee, and AFOSI does not publish the item count, time limit, or passing score.

Sample AFOSI Special Agent Practice Questions

Try these sample questions to test your AFOSI Special Agent exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A lead will be investigated if, and only if, a special agent deems it credible. A lead from a trusted source is generally deemed credible. Lead #14 came from a trusted source and was investigated. Based only on this, which statement must be true?
A.Lead #14 was deemed credible by a special agent
B.Lead #14 came from an informant
C.Every credible lead leads to a prosecution
D.All leads from trusted sources are eventually closed
Explanation: The biconditional 'if and only if' means a lead is investigated exactly when an agent deems it credible. Because Lead #14 was investigated, it must have been deemed credible. Valid logical inference uses only the stated facts.
2Read the statement: 'It is not the case that all reports were submitted on time.' Which conclusion can be validly inferred?
A.No reports were submitted on time
B.Some reports were not submitted on time
C.All reports were submitted late
D.Exactly half the reports were late
Explanation: Negating a universal ('all reports on time') yields an existential negative: at least one report was not on time, i.e., 'some reports were not submitted on time.' This is the rule of quantifier negation.
3All successful agents pass the fitness test. Agent Diaz is a successful agent. Which conclusion follows validly?
A.Agent Diaz passed the fitness test
B.Everyone who passed the fitness test is a successful agent
C.Some agents who failed the fitness test are successful
D.Agent Diaz trains daily
Explanation: From 'all successful agents pass the fitness test' and 'Diaz is a successful agent,' it follows by universal instantiation that Diaz passed the fitness test. This is a valid categorical syllogism.
4If an investigation crosses international jurisdiction, then a legal attache briefing is required. This investigation does NOT require a legal attache briefing. What follows?
A.The investigation crosses international jurisdiction
B.The investigation does not cross international jurisdiction
C.A briefing was held anyway
D.The investigation is closed
Explanation: This is modus tollens: from 'if P then Q' and 'not Q,' we conclude 'not P.' Since no briefing is required, the investigation does not cross international jurisdiction.
5Choose the word that is most nearly OPPOSITE in meaning to 'corroborate.'
A.Confirm
B.Refute
C.Document
D.Strengthen
Explanation: To corroborate means to support or confirm with evidence. Its antonym is 'refute,' meaning to disprove or contradict. Vocabulary precision matters for evaluating witness statements.
6Some evidence items are admissible. All admissible items have a documented chain of custody. Which statement must be true?
A.All evidence items have a documented chain of custody
B.Some evidence items have a documented chain of custody
C.No inadmissible item has a chain of custody
D.Every documented item is admissible
Explanation: Some items are admissible, and all admissible items have a chain of custody, so at least those admissible items have a chain of custody. Therefore 'some evidence items have a documented chain of custody' is guaranteed.
7Analogy: WITNESS is to TESTIMONY as AUTHOR is to ____.
A.Reader
B.Manuscript
C.Editor
D.Library
Explanation: A witness produces testimony; an author produces a manuscript. The relationship is creator-to-product. Manuscript best completes the parallel.
8Either the suspect used the rear entrance or an accomplice disabled the alarm. The alarm was never disabled. Which conclusion is valid?
A.No accomplice was involved at all
B.The suspect used the rear entrance
C.The suspect used the front entrance
D.Both statements are false
Explanation: This is the disjunctive syllogism: in an inclusive 'either/or,' if one disjunct is false (the alarm was not disabled), the other must be true, so the suspect used the rear entrance.
9Choose the word that best completes the sentence: 'The agent's account of events was entirely ____ with the physical evidence at the scene.'
A.consistent
B.consistently
C.consist
D.consistency
Explanation: The blank needs an adjective to follow the linking verb 'was' and modify 'account.' 'Consistent' is the correct adjective form meaning in agreement with.
10No fabricated reports are reliable. Some submitted reports are fabricated. Which conclusion is valid?
A.Some submitted reports are not reliable
B.All submitted reports are reliable
C.No submitted reports are reliable
D.All reliable reports are submitted
Explanation: Some submitted reports are fabricated, and no fabricated report is reliable, so those fabricated-and-submitted reports are unreliable. Therefore 'some submitted reports are not reliable' must be true.

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